Using fluorescence correlation spectroscopy (FCS) for IFN-g detection: a preliminary study.

J Immunol Methods 2014 May 28;407:35-9. Epub 2014 Mar 28.

Max F. Perutz Laboratories, Department of Structural Biology and Biomolecular Chemistry, University of Vienna, Vienna, Austria; OnkoTec Waidhofen/Thaya, Vienna, Austria.

Nowadays, enzyme-linked immunosorbent assay (ELISA) based detection of Mycobacterium tuberculosis (M. tuberculosis) antigen triggered interferon-gamma (IFN-g) secretion by blood T cells displays an improved diagnostic value for M. tuberculosis infection. Applications of fluorescence correlation spectroscopy (FCS) have been explored in various subfields of medicine and molecular biology, including detection of a certain biomarker in liquid instead of ELISA. Here, we present a preliminary study of detecting IFN-g using FCS-based technique.

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http://dx.doi.org/10.1016/j.jim.2014.03.016DOI Listing
May 2014
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